SPA Cartridge Cleaner
SPA Hardness Raiser
- Available in 500g bottle
ASTRALPOOL SPA HARDNESS RAISER increases the calcium levels in spa water.
At the correct levels, calcium helps protect spa surfaces and equipment from corrosive water.
Active Constituent: 990g/kg CALCIUM CHLORIDE
Dosage per 1,000L:
15g increases the Calcium Hardness by 10ppm